Try squeezing the stretched one tightly between your thumb and index finger and sliding your fingers back and forth a little to see if you can get it back closer to the size of the shorter one. I don’t think it will affect running much. Might affect priming though. Don’t know. I don’t understand why one would think doing that would be a good idea but its not that uncommon . It was helpful to me to see someone start one so here is a link. This was the first time this one had been started in decades. https://youtu.be/hKX0mZji7aA?si=AfZUsBOi9xgBIfL-
A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.
